This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Factorize: 2(x+y)2−9(x+y)−5 |
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Answer» Factorize: 2(x+y)2−9(x+y)−5 |
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| 2. |
Find the zero of the polynomial: (i) p(x)=x−5 (ii) q(x)=x+4 (iii) r(x)=2x+5 (iv) f(x)=3x+1 (v) g(x)=5−4x (vi) h(x)=6x−2 (vii) p(x)=ax+b,a≠0 (viii) q(x)=4x |
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Answer» Find the zero of the polynomial: |
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| 3. |
In a parallelogram ABCD,any point E is taken on the sides BC.AE and DC when produced meet at a point M.Prove that ar(△ADM)=ar(ABMC). |
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Answer» In a parallelogram ABCD,any point E is taken on the sides BC.AE and DC when produced meet at a point M.Prove that ar(△ADM)=ar(ABMC). |
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| 4. |
49a^2+70ab+25b^2 |
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Answer» 49a^2+70ab+25b^2 |
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| 5. |
Find the difference between compound interest on Rs. 8,000 in 2 years and at 5% per annum. |
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Answer» Find the difference between compound interest on Rs. 8,000 in 2 years and at 5% per annum. |
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| 6. |
Whether is it possible to construct a unique quadrilateral ABCD with AB = 6cm, AD = 7cm, ∠ABC = 30∘ , ∠DAB = 60∘, ∠ADC = 80∘ ? If yes, construct it and find ∠BCD. |
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Answer» Whether is it possible to construct a unique quadrilateral ABCD with AB = 6cm, AD = 7cm, ∠ABC = 30∘ , ∠DAB = 60∘, ∠ADC = 80∘ ? If yes, construct it and find ∠BCD. |
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| 7. |
In triangle PQR, Q > angle R; PA is the bisector of angle QPR ; PM IS perpendicular to PR .prove that angle APM=1/2(angle Q - angle R). |
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Answer» In triangle PQR, Q > angle R; PA is the bisector of angle QPR ; PM IS perpendicular to PR .prove that angle APM=1/2(angle Q - angle R). |
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| 8. |
Formulas of statistics |
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Answer» Formulas of statistics |
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| 9. |
Find a quadratic polynomial with rational coefficients whose on zero is √5-2 |
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Answer» Find a quadratic polynomial with rational coefficients whose on zero is √5-2 |
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| 10. |
From a solid cylinder whose height is 2.4 cm and diameter 1.4 cm, a conical cavity of the same height and same diameter is hollowed out. Find the total surface area of the remaining solid to the nearest cm2. |
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Answer» From a solid cylinder whose height is 2.4 cm and diameter 1.4 cm, a conical cavity of the same height and same diameter is hollowed out. Find the total surface area of the remaining solid to the nearest cm2. |
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| 11. |
If (x-1, y +3) = (7, -7), then find the values of x and y respectively. |
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Answer» If (x-1, y +3) = (7, -7), then find the values of x and y respectively. |
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| 12. |
Factorise the quadratic polynomial by splitting the middle term: y 2 - 4 y –21 |
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Answer» Factorise the quadratic polynomial by splitting the middle term: y 2 - 4 y –21 |
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| 13. |
The radius of the circle is 7cm and the angle subtended by the arc is 60°. If the area of ΔOAB is 21 cm2,then the area of segment ABP is |
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Answer» The radius of the circle is 7cm and the angle subtended by the arc is 60°. If the area of ΔOAB is 21 cm2,then the area of segment ABP is |
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| 14. |
15√10+√20+√40+√5−√80 is being given that √5=2.236and√10=3.162 |
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Answer» 15√10+√20+√40+√5−√80 is being given that √5=2.236and√10=3.162 |
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| 15. |
The angle bisection of an angle yields the same angle as that created from a 60∘ construction. What is the value of the angle in degrees?___ |
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Answer» The angle bisection of an angle yields the same angle as that created from a 60∘ construction. What is the value of the angle in degrees? |
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| 16. |
Question 3 The angel between two altitudes of a parallelogram through the vertex of an obtuse angle of the parallelogram is 60∘. Find the angles of the parallelogram. |
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Answer» Question 3 The angel between two altitudes of a parallelogram through the vertex of an obtuse angle of the parallelogram is 60∘. Find the angles of the parallelogram. |
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| 17. |
If 2x3+ax2+bx- 2 leaves the remainders 7 and -20 when divided by (2x-3) and (x+3) respectively. Find the value of a and b. |
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Answer» If 2x3+ax2+bx- 2 leaves the remainders 7 and -20 when divided by (2x-3) and (x+3) respectively. Find the value of a and b. |
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| 18. |
Each issue of a weekly cost Rs. 10. However on subscription of 156 issues 30% of the total amount and on 52 issues 25% of the total amount gets saved. What difference exists between the per issue cost obtained through both subscription? |
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Answer» Each issue of a weekly cost Rs. 10. However on subscription of 156 issues 30% of the total amount and on 52 issues 25% of the total amount gets saved. What difference exists between the per issue cost obtained through both subscription? |
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| 19. |
Complete this number series-13,15,19,?,43,45,139.what is at the place of' ?' |
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Answer» Complete this number series-13,15,19,?,43,45,139.what is at the place of' ?' |
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| 20. |
Algebraically prove that (a+b)2 = a2+b2+2ab |
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Answer» Algebraically prove that (a+b)2 = a2+b2+2ab |
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| 21. |
Question 5 (ii) Find 0.1 × 51.7 |
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Answer» Question 5 (ii) Find 0.1 × 51.7 |
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| 22. |
A cubical block of side 10 cm is surmounted by a hemisphere. What is the largest diameter that the hemisphere can have? Find the cost of painting the total surface area of the solid so formed, at the rate of Rs 5 per 100 sq. cm [Use π=3.14] |
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Answer» A cubical block of side 10 cm is surmounted by a hemisphere. What is the largest diameter that the hemisphere can have? Find the cost of painting the total surface area of the solid so formed, at the rate of Rs 5 per 100 sq. cm [Use π=3.14] |
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| 23. |
These are polynomial or not 3√t+t√2 & y+2/y ? If not why? |
| Answer» These are polynomial or not 3√t+t√2 & y+2/y ? If not why? | |
| 24. |
When we throw a die randomly , as we keep on increasing the number of trials the probability of an event goes near to 1/6 . And same case in coin ( nearer to1/2) . Why is it so ? |
| Answer» When we throw a die randomly , as we keep on increasing the number of trials the probability of an event goes near to 1/6 . And same case in coin ( nearer to1/2) . Why is it so ? | |
| 25. |
Mr. Trivedi invested ₹4,00,000 in an industry. After 2 years he received ₹5,20,000 from the industry. Putting aside the original investment, he invested the gains in mutual funds and in shares in the ratio 3:2. How much amount did he invest in each of the schemes? |
| Answer» Mr. Trivedi invested ₹4,00,000 in an industry. After 2 years he received ₹5,20,000 from the industry. Putting aside the original investment, he invested the gains in mutual funds and in shares in the ratio 3:2. How much amount did he invest in each of the schemes? | |
| 26. |
The inclination of the line AB in the given figure is ___ |
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Answer» The inclination of the line AB in the given figure is |
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| 27. |
Question 4 (i) The heights of 50 students, measured to the nearest centimeters, have been found to be as follows: 161150154165168161154162150151162164171165158154156172160170153159161170162165166168165164154152153156158162160161173166161159162167168159158153154159 (i) Represent the data given above by a grouped frequency distribution table, taking the class intervals as 160 - 165, 165 - 170, etc. |
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Answer» Question 4 (i) The heights of 50 students, measured to the nearest centimeters, have been found to be as follows: 161150154165168161154162150151162164171165158154156172160170153159161170162165166168165164154152153156158162160161173166161159162167168159158153154159 (i) Represent the data given above by a grouped frequency distribution table, taking the class intervals as 160 - 165, 165 - 170, etc. |
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| 28. |
Area is a quantity that expresses the extent of a __ dimensional figure or shape in the plane. |
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Answer» Area is a quantity that expresses the extent of a |
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| 29. |
If the angles of a pentagon are yo, (y - 6)o, (y + 8)o, (2y - 22)o and (24 + 35)o, then the value of y is |
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Answer» If the angles of a pentagon are yo, (y - 6)o, (y + 8)o, (2y - 22)o and (24 + 35)o, then the value of y is |
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| 30. |
If APB and CQD are parallel lines and a transversal PQ cut them at P and Q, then the bisectors of angles APQ, BPQ, CQP and PQD form a |
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Answer» If APB and CQD are parallel lines and a transversal PQ cut them at P and Q, then the bisectors of angles APQ, BPQ, CQP and PQD form a |
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| 31. |
Express 8−2 as a exponent with base 2 : |
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Answer» Express 8−2 as a exponent with base 2 : |
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| 32. |
Question 5 ABC is an isosceles triangle with AB = AC. Drawn AP ⊥ BC to show that ∠B=∠C. |
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Answer» Question 5 ABC is an isosceles triangle with AB = AC. Drawn AP ⊥ BC to show that ∠B=∠C. |
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| 33. |
Find the volume of cuboid whose lenght = 1.4m, breadth = 0.1m and height = 0.7 m in litres. |
| Answer» Find the volume of cuboid whose lenght = 1.4m, breadth = 0.1m and height = 0.7 m in litres. | |
| 34. |
Can we apply Herons formula for all triangles? |
| Answer» Can we apply Herons formula for all triangles? | |
| 35. |
Question 9 Which of the following figures do not satisfy any of the following properties? - All sides are equal. -All angles are right angles. -Opposite sides are parallel. |
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Answer» Question 9 Which of the following figures do not satisfy any of the following properties? - All sides are equal. -All angles are right angles. -Opposite sides are parallel. ![]() ![]() ![]()
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| 36. |
If log a−b2=12(log a+log b), show that: a2+b2=6ab |
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Answer» If log a−b2=12(log a+log b), show that: |
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| 37. |
The value of (4+√6)(4−√6) is equal to |
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Answer» The value of (4+√6)(4−√6) is equal to |
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| 38. |
3+2+90 |
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Answer» 3+2+90 |
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| 39. |
Find the percentage increse in the area of a triangle if its each side is doubled.PLEASE GIVE SIMPLE EXPLANATION AND HOW IT CAME IN BRACKET. |
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Answer» Find the percentage increse in the area of a triangle if its each side is doubled.PLEASE GIVE SIMPLE EXPLANATION AND HOW IT CAME IN BRACKET. |
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| 40. |
In the given figure, A,B,C are the mid-points of sides xy, yz and xz respectively of △xyz. If AB= 5.5 cm, BC= 3.5 cm and AC= 6 cm, then perimeter of △xyz= ______ cm. |
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Answer» In the given figure, A,B,C are the mid-points of sides xy, yz and xz respectively of △xyz. |
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| 41. |
The two equal sides of an isosceles triangle with fixed bas b are decreasing at the rate of 3 cm/s. How fast is the area decreasing when the two equal sides are equal to the base ? |
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Answer» The two equal sides of an isosceles triangle with fixed bas b are decreasing at the rate of 3 cm/s. How fast is the area decreasing when the two equal sides are equal to the base ? |
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| 42. |
AC is parallel to dc area of quadrilateral a b c is equals to 25 square units and area of triangle ABC is equals to 17 square units find area of triangle ACE |
| Answer» AC is parallel to dc area of quadrilateral a b c is equals to 25 square units and area of triangle ABC is equals to 17 square units find area of triangle ACE | |
| 43. |
A and B have certain number of oranges. If B gives 10 oranges to A then A will have twice the number of oranges left with B.If A gives 10 oranges to B then both have the same same number of oranges.Find the number of oranges with A and B. |
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Answer» A and B have certain number of oranges. If B gives 10 oranges to A then A will have twice the number of oranges left with B.If A gives 10 oranges to B then both have the same same number of oranges.Find the number of oranges with A and B. |
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| 44. |
If x2=7−√48, then x = _______________ |
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Answer» If x2=7−√48, then x = |
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| 45. |
Please tell me how to prove that root 2 is an irrational number descriptively step by step. |
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Answer» Please tell me how to prove that root 2 is an irrational number descriptively step by step. |
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| 46. |
Is 0.140140014000140000..... is an irrational number between 1/7 and 2/7 Pls answer |
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Answer» Is 0.140140014000140000..... is an irrational number between 1/7 and 2/7 Pls answer |
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| 47. |
Subtract 4x3+8x2 from −2x3+3x2. . |
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Answer» Subtract 4x3+8x2 from −2x3+3x2. |
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| 48. |
Which of the following should be the SECOND sentence after rearrangement? |
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Answer» Which of the following should be the SECOND sentence after rearrangement? |
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| 49. |
If A = {1, 2, 3}, B = {1, 4, 5}, then A - B = _______ ? |
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Answer» If A = {1, 2, 3}, B = {1, 4, 5}, then A - B = _______ ? |
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| 50. |
10 cubes are placed adjacent to each other in a row. find the ratio of total surface area of the cuboid thus formed to the sum of the surface areas of 10 cubes |
| Answer» 10 cubes are placed adjacent to each other in a row. find the ratio of total surface area of the cuboid thus formed to the sum of the surface areas of 10 cubes | |